Ignition Control Module (ICM) Connector End View

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Ignition Control Module (ICM)

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		OEM: 12124379 Service: 12167123 14-Way F Metri-Pack 150 Pull To Seat Series Sealed (BK)
Pin	Wire Color	Circuit No.	Function
A	WH	423	IC Timing Control
B	TN/BK	424	IC Timing Signal
C	L-BU/BK	647	Medium Resolution Engine Speed Signal
D	PU/WH	430	Low Resolution Engine Speed Signal
E	-	-	Not Used
F	BK	630	Camshaft Position Signal
G	YE	573	CKP Sensor 1 Signal
H	L-BU/WH	1800	CKP Sensor 2 Signal
J	BN/WH	633	CMP Sensor Signal
K	BK/WH	51	Ground
L	RD/BK	453	Low Reference
M	BK/WH	836	Low Reference
N	WH/BK	644	12-Volt Reference
P	PK	239	Ignition 1 Voltage